sql - 在 SQL 中使用 CTE 标记 DUPLICATES 并在子查询中引用
问题描述
所以我有以下CTE:
with dupeinv AS (
select * from (
select
tci.t_idoc,
tci.t_idat,
ROW_NUMBER() OVER (partition by tci.t_idoc ORDER BY tci.t_idoc, tci.t_idat DESC) as rn
from [ln106].[dbo].tcisli305100 tci
) as t
where t.rn = 1
)
上表 ([ln106].[dbo].tcisli305100) 中有重复项,因此 CTE 获得单个值。我想在下面的查询中格式化这些值(以 --- 为前缀)
select 'JCI' as BU,
RTRIM(LTRIM(cl.t_orno)) AS SALES_ORDER_NUMBER
, cl.t_pono AS SALES_ORDER_LINE_NUMBER
, CONCAT(cl.t_shpm, cl.t_pono, cl.t_idoc) AS SHIPPING_RECORD_ID
,CASE WHEN cl.t_dqua = 0 or cl.t_dqua is null THEN cl.t_amti ELSE
cl.t_amti / cl.t_dqua END AS AR_INVOICE_LINE_ITEM_PRICE_LOCAL
, cl.t_line AS AR_INVOICE_LINE_NUMBER
, cl.t_dqua AS AR_INVOICE_LINE_ITEM_QUANTITY
--- , concat(dupeinv.t_idoc,'|',format(dupeinv.t_idat,'MMddyyyy') ---
,ci.t_ccur AS AR_INVOICE_CURRENCY
, ci.t_idat AS AR_INVOICE_DATE
FROM [ln106].[dbo].tcisli310100 cl
LEFT JOIN [ln106].[dbo].tcisli305100 ci ON cl.t_idoc = ci.t_idoc
LEFT JOIN t di on cl.t_doc = di_t_doc
LEFT JOIN (SELECT t_orno,t_pono FROM [ln106].[dbo].ttdsls401100 WHERE t_oltp <> 1 group by t_orno,t_pono) as l --Jed 10162020 Changed the join to prevent duplicate records
ON l.t_orno=cl.t_orno COLLATE SQL_Latin1_General_CP1_CI_AS AND l.t_pono=cl.t_pono
LEFT JOIN dupeinv tci on cl.r_idoc = ci.t_doc
WHERE ci.t_idat > '2017'
查询不喜欢我在主查询中引用它。任何人都可以提供帮助或提出更好的想法吗?
解决方案
您的最终查询应如下所示:
WITH dupeinv AS
(SELECT *
FROM
(SELECT tci.t_idoc,
tci.t_idat,
ROW_NUMBER() OVER (PARTITION BY tci.t_idoc
ORDER BY tci.t_idoc,
tci.t_idat DESC) AS rn
FROM [ln106].[dbo].tcisli305100 tci) AS t
WHERE t.rn = 1 )
SELECT 'JCI' AS BU,
RTRIM(LTRIM(cl.t_orno)) AS SALES_ORDER_NUMBER ,
cl.t_pono AS SALES_ORDER_LINE_NUMBER ,
CONCAT(cl.t_shpm, cl.t_pono, cl.t_idoc) AS SHIPPING_RECORD_ID ,
CASE
WHEN cl.t_dqua = 0
OR cl.t_dqua IS NULL THEN cl.t_amti
ELSE cl.t_amti / cl.t_dqua
END AS AR_INVOICE_LINE_ITEM_PRICE_LOCAL ,
cl.t_line AS AR_INVOICE_LINE_NUMBER ,
cl.t_dqua AS AR_INVOICE_LINE_ITEM_QUANTITY ,
concat(dupeinv.t_idoc,
'|',
format(dupeinv.t_idat, 'MMddyyyy')) ,
ci.t_ccur AS AR_INVOICE_CURRENCY ,
ci.t_idat AS AR_INVOICE_DATE
FROM [ln106].[dbo].tcisli310100 cl
LEFT JOIN [ln106].[dbo].tcisli305100 ci ON cl.t_idoc = ci.t_idoc
LEFT JOIN t di ON cl.t_doc = di_t_doc
LEFT JOIN
(SELECT t_orno,
t_pono
FROM [ln106].[dbo].ttdsls401100
WHERE t_oltp <> 1
GROUP BY t_orno,
t_pono) AS l --Jed 10162020 Changed the join to prevent duplicate records
ON l.t_orno=cl.t_orno COLLATE SQL_Latin1_General_CP1_CI_AS
AND l.t_pono=cl.t_pono
LEFT JOIN dupeinv tci ON cl.r_idoc = ci.t_doc
WHERE ci.t_idat > '2017'
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